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The engine is the heart of the motorcycle. It not only brings your motorcycle to life, but also produces the characteristic sound of the motorcycle. The three known types of engines are: the 2-stroke and the 4-stroke, the latter being more present in the more modern motorcycles, and the diesel engine. There are also differences in the structure of the engine. The engine block consists of several parts and they all work together to get movement in your motorcycle. In addition, fuel is required for combustion. From the moment you start the motorcycle, the crankshaft starts to turn and the pistons in the cylinders start moving. At the same time, calculations are made for the correct timing to ignite the air-fuel mixture by means of a spark. The timing of this spark determines how the engine ultimately runs and performs. This whole process puts other parts in motion, so that you can eventually drive away.